/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.commons.net.ssh.util;

import java.io.Closeable;
import java.io.IOException;

import org.apache.commons.net.ssh.SSHPacket;
import org.apache.commons.net.ssh.transport.Transport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class IOUtils
{
    
    private static final Logger LOG = LoggerFactory.getLogger(IOUtils.class);
    
    public static void closeQuietly(Closeable... closeables)
    {
        for (Closeable c : closeables)
            try
            {
                if (c != null)
                    c.close();
            } catch (IOException logged)
            {
                LOG.warn("Error closing {} - {}", c, logged);
            }
    }
    
    public static long writeQuietly(Transport trans, SSHPacket payload)
    {
        try
        {
            return trans.write(payload);
        } catch (IOException logged)
        {
            LOG.warn("Error writing packet to {} - {}", trans, logged);
            return -1;
        }
    }
    
}
